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Compressed Gas

Automobiles have been using refrigerant gases in their AC systems for decades. The refrigerant gases have generally been inert gases, such as Freon-12 and R-134. Recently, many auto manufacturers have started to use HFO-1234yf as the refrigerant gas in their AC systems. This gas is expensive, about $80/lb., and the recycling machine costs another $5000. The bigger issue is that it is a flammable gas. Flammable gases pose special hazards and dealers should take steps to address this concern.